Armstrong Ceilings Prelude Plus LD Natural Aluminum 20 Pack 144 in Aluminum Ceiling Grid Main Beam Color:Natural Aluminum ergonomic handle that offers users ergonomic handle that offers users greater comfort during prolonged use and an onboard hose storage and shoulder strap for convenience with less mess 4 Door Locks & Knobs Product Type Alarmed Locks Returnable 180 Day Power Options Battery Wired or Wireless Wireless Material Other Smart Home Smart Home Enabled Voice Control Hub Required Siri via Apple HomeKit Hardware Included Lock with Handleset Electronic Mechanical Electronic Interior Exterior Interior Exterior Remote Access Remote Access Number of Batteries Required 4 Assembled Depth (in 12 ft LD Main Beam All aluminum for maximum moisture resistance Natural Aluminum in color Rotary stitched web for additional torsional strength and extra stability 240 linear ft per carton (20 pieces per carton) Suspension system 10 year limited warranty Typical applications include indoor swimming pools with proper ventilation and non magnetic areas MRI suites 144 in x 15 16 in x 1 1 2 in Series Name Prelude Plus XL Aluminum Type Main beam Height (Inches) 1